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Posted to dev@ambari.apache.org by "Dmytro Sen (JIRA)" <ji...@apache.org> on 2015/04/20 17:18:58 UTC
[jira] [Updated] (AMBARI-10602) HDFS namenode_opt_newsize and
namenode_opt_maxnewsize not using number of datanodes in calculation
[ https://issues.apache.org/jira/browse/AMBARI-10602?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Dmytro Sen updated AMBARI-10602:
--------------------------------
Attachment: AMBARI-10602.patch
> HDFS namenode_opt_newsize and namenode_opt_maxnewsize not using number of datanodes in calculation
> --------------------------------------------------------------------------------------------------
>
> Key: AMBARI-10602
> URL: https://issues.apache.org/jira/browse/AMBARI-10602
> Project: Ambari
> Issue Type: Bug
> Components: stacks
> Affects Versions: 2.1.0
> Reporter: Dmytro Sen
> Assignee: Dmytro Sen
> Fix For: 2.1.0
>
> Attachments: AMBARI-10602.patch
>
>
> Reviewing HDFS recommendation code for namenode_heapsize, namenode_opt_newsize and namenode_opt_maxnewsize, it looks like the calculations are not taking into account the number of datanodes and disks per datanode.
> HDFS recommendations currently gives the following output
> {code}
> "configurations": {
> "hadoop-env": {
> "properties": {
> "namenode_heapsize": "1024",
> "namenode_opt_maxnewsize": "256",
> "namenode_opt_newsize": "256"
> },
> "property_attributes": {
> "namenode_heapsize": {
> "maximum": "2887"
> },
> "dtnode_heapsize": {
> "maximum": "2887"
> }
> }
> },
> {code}
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